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They were also positioned in the same dilapidated room, close to the court where many of the prisoners would later be sentenced to a violent death.

Iraqi Army Brig, Jalil Abdulredha, told NBC: "They used to imprison locals in iron cages like animals. They made different shapes of cages for different positions, such as kneeling and standing. This shows the brutality of this terrorist organization."

He added of the courtroom, which featured the Islamic State flag: "Most of [the defendants] were innocent locals and members of security forces."